Home / 7,844.74-11,759.68-2,911.03

Finding the Fourth Proportional to 7,844.74, 11,759.68 and 2,911.03

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Solution

The fourth proportional to 7,844.74, 11,759.68 and 2,911.03 is: 4,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.74 : 11,759.68 = 2,911.03 : x
  2. Step 2: Convert to fraction form
    7,844.74/11,759.68 = 2,911.03/x
  3. Step 3: Cross multiply
    7,844.74x = 11,759.68 × 2,911.03
  4. Step 4: Simplify right side
    7,844.74x = 34,232,781.27
  5. Step 5: Solve for x
    x = 34,232,781.27/7,844.74
  6. Step 6: Final answer
    x = 4,363.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.